B, (layer C is the youngest layer) :)
E. very small atoms
fusion reaction in which two atoms of hydrogen combine together or fuse to form an atom of helium
<span>When ozone forms near the ground, it is known as a secondary pollutant. This is because it is the result of two primary pollutants reacting to create a new substance. The reaction between the primary pollutants is airborne and then the resultant ozone settles near the surface of the ground.</span>
Answer:
The correct answer is - ethical, safety, bioterrorism and environmental concerns.
Explanation:
Biotechnology is like any other field or technology comes with its benefits and challenges. It helps in various ways but also leads to many controversies and raises concerns among people and ecologists. The main concerns of biotechnology are ethical concerns, bioweapon or bioterrorism, environmental issues, and safety.
Ethical concern deals with the use of privileged information and exploiting it, Causes ecological harm, interfering with laws of nature, making bioweapons that can kill thousands and thousand of people and organisms.
